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/clas·si·cal/ (klas´ĭ-k'l) classic.

classical, classic

the first recognized form of the item; serving as a standard model or guide. See also classical conditioning, east coast fever.

classical conditioning
classical pathway
one of the two pathways of complement activation, initiated by antigen-antibody complexes and involving C1, C2 and C4. It leads to activation of C3 and the terminal pathway. See also alternate complement pathway.
classical swine fever
now the universally accepted name for hog cholera and different from African swine fever (ASF). A highly infectious disease of pigs caused by a pestivirus and characterized in its classical form by high fever, lassitude, purple discoloration of abdominal skin, conjunctivitis and nervous signs including circling, incoordination, tremor and convulsions. Most affected pigs die at 5 to 7 days with a characteristic petechiation under the kidney capsule—turkey egg kidney. There is a second form, characterized by nervous signs and caused by a strain of virus of lower virulence. Other syndromes caused by low virulence strains are reproductive inefficiency and congenital defects including myotonia congenita. Also known as congenital trembles.
References in periodicals archive ?
By rediscovering classical qualities of proportion, balance, peacefulness, objectivity, and noble simplicity, and re-establishing them as the basis of artistic creation in the present, Busoni hoped to bring about lasting spiritual change and usher in an era of new Classicality.
Rather than being an argument for the revival of eighteenth-century treatments of texture, scoring, and form, Busoni's New Classicality reflected his conviction that composers should draw upon enduring qualities from past achievements while remaining free from the constraints of tradition.
Using the resources of agile satiric art, Defoe in early portions of Jure Divino mimics the classicality of Clarendon's book--its blandishments, generic ambition, and cultivated style--in order to subvert its aesthetic and intellectual authority.
Though Defoe had similarly announced "satyrs' in title-pages to earlier state poems, such as his True-Born Englishman (1701) and The Mock-Mourners (1702), learned readers may have perceived his subtitle here as an effort at highlighting the classicality of his satiric enterprise through orthographic quaintness.
This is the problem of classicality of macroscopic objects, to which decoherence theory, in particular the environment-induced decoherence, can provide an explanation.